package com.test;

 /**

  * Created by xiaonanhai on 2015/5/30.

  */

 public class Builder {

     private String name;

     private int age;

     private String gender;

     private Builder(BuilderFactoryImpl builderFactoryImpl){

         this.name = builderFactoryImpl.name;

         this.age = builderFactoryImpl.age;

         this.gender = builderFactoryImpl.gender;

     }

     public String getName() {

         return name;

     }

     public int getAge() {

         return age;

     }

     public String getGender() {

         return gender;

     }

     public static class BuilderFactoryImpl implements BuilderFactory{

         private String name;

         private int age;

         private String gender;

         public BuilderFactoryImpl setName(String name) {

             this.name = name;

             return this;

         }

         public BuilderFactoryImpl setAge(int age) {

             this.age = age;

             return this;

         }

         public BuilderFactoryImpl setGender(String gender) {

             this.gender = gender;

             return this;

         }

         @Override

         public Builder build() {

             return new Builder(this);

         }

     }

     public interface BuilderFactory{

         Builder build();

     }

     @Override

     public String toString() {

         return "Builder{" +

                 "name='" + name + '\'' +

                 ", age=" + age +

                 ", gender='" + gender + '\'' +

                 '}';

     }

     public static void main(String[] args) {

         Builder builder = new Builder.BuilderFactoryImpl()

                 .setName("小男孩")

                 .setGender("男")

                 .setAge(29)

                 .build();

         System.out.println(builder.toString());

     }

 }